主变油枕有无呼吸器?

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问题:

主变油枕有无呼吸器?

考点:热力发电厂机炉电考试汽轮发电机基础部分汽轮发电机基础部分题库
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属不完全骨折的是()

A.螺旋形骨折

B.横形骨折

C.青枝骨折

D.裂缝骨折

E.粉碎骨折

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一朵花要形成果实和种子,必须完成下列哪一项重要的生理活动

A.传粉

B.受精

C.开花

D.传粉和受精

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锯条装得过松或过紧容易使锯条折断。

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人体的散热方式主要有__________、__________、__________、___________4种。

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When Dave was eighteen, he bought a secondhand car for 200 so that he could travel to and from work more (1) than by bus. It worked quite well for a few years, but then it got so old, and it was costing him (2) much in repairs that he decided that he had better (3) it.

He asked among his friends to see if anyone was particularly (4) to buy a cheap car, but they all knew that it was falling to pieces, so (5) of them had any desire to buy it. Dave’s friend Sam saw that he was (6) when they met one evening, and said, "What’s (7) , Dave"

Dave told him, and Sam answered, "Well, what about advertising it in the paper You may (8) more for it that way than the cost of the advertisement!" Thinking that Sam’s (9) was sensible, he put an advertisement in an evening paper, which read "For sale: small car, (10) very little petrol, only two owners. Bargain at 50. " For two days after the advertisement first appeared, there was no (11) . But then on Saturday evening he had an enquiry. A man rang up and said he would like to (12) him about the car. "All right, " Dave said, feeling happy. He asked the man whether ten o’clock the next morning would be (13) or not. "Fine, " the man said, "and I’ll (14) my wife. We intend to go for a ride in it to (15) it. "

The next morning, at a quarter to ten, Dave parked the car in the square outside his front door, (16) to wait there for the people who had (17) his advertisement. Even Dave had to (18) that the car really looked like a wreck. Then, soon after he had got the car as clean (19) it could be, a police car stopped just behind him and a policeman got out. He looked at Dave’s car and then said, "Have you reported this (20) to us yet, sir\

18().

A.forget 

B.show 

C.disagree 

D.admit

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